I received the following comment in response to a recent E. coli O157 and petting zoos post, and thought that it merited a post of its own.
"Why doesn’t the petting zoo owners have a fecal swab sample taken from each animal in the petting zoo and submitted for STx PCR screen testing. If
I’ve written several posts about petting zoos, mainly about the potential negative aspects, although I still think they’re valuable if run properly. A major concern with these events is exposure of people to zoonotic infectious diseases, particularly harmful bacteria that can be carried by healthy animals. One of the more common pathogens that causes disease
The latest edition of the CDC’s
Escherichia coli (E. coli) O157 is a particularly important bacterium that can cause very serious disease in people, including diarrhea and a severe kidney disorder called hemolytic uremic syndrome (HUS). Infection in people typically results from ingesting the bacterium from contaminated food products. The main reservoir of E. coli O157 is in
An outbreak of E. coli O157 – the particularly nasty strain of E. coli that can cause hemolytic uremia (a serious kidney disease) and death – 
The inquest was told that there were three main possible sources of E. coli: food, travel and animals. The coroner determined that the owner most likely acquired E. coli from handling the cat or cleaning its litter box.